Facebook and Google: unregulated monopolies

We regulate public utilities like gas and electricity to ensure they don’t abuse their power. But Google and Facebook are different in so far as they cost us users no money directly and it doesn’t make sense to break them up, since the point of them it that everyone is on one network. At the …

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Presidents for life aren’t such a bad thing?

Conventional wisdom in the West has it that national leaders should step down after one or two terms. But the African democracies that are currently thriving – such as Zambia, Malawi, Tanzania, Ghana, Kenya and Senegal – all started out with presidents who ruled for at least 18 years. These long-serving leaders bequeathed “peaceful transitions” …

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Does air pollution contribute to Alzheimer’s?

Barbara Maher of Lancaster University (UK) and her team looked at the brains of 37 people who had lived in Manchester in the UK or Mexico City. All contained millions of iron oxide nanoparticles per gram of brain tissue, suggesting that tiny specks of metal in car exhaust gases seem to fly up our noses …

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